Clear CamWear containers resist damage by food acids, oils, and alcohol. Translucent containers maintain content visibility at a reasonable price. Snap-on covers fit tightly yet are easily removed. Dishwasher safe. FYI: Round CamClear and Translucent covers are not interchangeable. NSF. CALIFORNIA PROP 65 WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. For further information, visit their website.